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배추 靑邦苦根×무우 蔚山在來의 屬間雜種에 對한 細胞遺傳學的 硏究

Cytogenetical Studies on the Intergeneric

한국식물학회지 1962년 5권 3호 p.21 ~ 24
韓昶烈, 李炳基,
소속 상세정보
韓昶烈 (  ) - 全北大學校 農科大學
李炳基 (  ) - 全北大學校 農科大學

Abstract


HARN, Chang Yawl and Byung Ki LEE (Chunpuk National Univ.) Cytogenetical studies on the intergeneric hybrids of Brassica pekinensis and Raphanus sativus. Kor. Jour. Bot. V(3): 21-24, 1962.
Intergeneric crossings between the inbred line of Brassica pekinensis var. Chorng-bangkokun and inbred line of Raphanus sativus var. Oolsanjaelae were made using Brassica as female plant, and obtained two individuals of intergeneric hybrids.
Morphological characters of the two F_1 hybrids are mostly intermediate of the two parental species, and their somatic chromosome number is 19. Meiotic behaviors of the parental plants were normal, while those of F_1 plants were extremely irregular. The mean pairing frequencies per cell of hybrids are 1.09_(II)+ 16.81 I (examined in May), and 1.75_(II)+15.47_I (examined in June). Majority of the pollen grain of parent species are normal, whereas those of F_1´s are invariably abortive. No seed setting was obtained in the hybrid plants left in the open field.

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